In the early universe, particles called neutrinos had a starring role in determining where galaxy clusters formed and which elements were created when stars exploded
Source:
https://www.newscientist.com/article/2236184-neutrinos-determined-where-galaxies-formed-in-the-early-universe/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home